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http://dx.doi.org/10.7582/GGE.2018.21.2.103

A Study on Matching Pursuit Interpolation with Moveout Correction  

Lee, Jaekang (Dept. of Earth Resources and Environmental Engineering, Hanyang Univ.)
Byun, Joongmoo (Dept. of Earth Resources and Environmental Engineering, Hanyang Univ.)
Seol, Soon Jee (Dept. of Earth Resources and Environmental Engineering, Hanyang Univ.)
Kim, Young (YK Geophysics)
Publication Information
Geophysics and Geophysical Exploration / v.21, no.2, 2018 , pp. 103-111 More about this Journal
Abstract
The recent research aim of seismic trace interpolation is to effectively interpolate the data with spatial aliasing. Among various interpolation methods, the Matching Pursuit interpolation, that finds the proper combination of basis functions which can best recover traces, has been developed. However, this method cannot interpolate aliased data. Thus, the multi-component Matching Pursuit interpolation and moveout correction method have been proposed for interpolation of spatially aliased data. It is difficult to apply the multi-component Matching Pursuit interpolation to interpolating the OBC (Ocean Bottom Cable) data which is the multi-component data obtained at the ocean bottom because the isolation of P wave component is required in advance. Thus, in this study, we dealt with an effective single-component matching Pursuit interpolation method in OBC data where P-wave and S-wave are mixed and spatial aliasing is present. To do this, we proposed the Ricker wavelet based single-component Matching Pursuit interpolation workflow with moveoutcorrection and systematically investigated its effectiveness. In this workflow, the spatial aliasing problem is solved by applying constant value moveout correction to the data before the interpolation is performed. After finishing the interpolation, the inverse moveout correction is applied to the interpolated data using the same constant velocity. Through the application of our workflow to the synthetic OBC seismic data, we verified the effectiveness of the proposed workflow. In addition, we showed that the interpolation of field OBC data with severe spatial aliasing was successfully performed using our workflow.
Keywords
Moveout correction; Matching Pursuit; Interpolation; OBC;
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Times Cited By KSCI : 1  (Citation Analysis)
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